LED light string insulation core



FIG. 1 is a perspective view of a LED light string insulation core showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view is identical;

FIG. 3 is a left elevational view thereof, the right elevational view is identical; and,

FIG. 4 is a top side view thereof, the bottom plan view is identical. 

CLAIM The ornamental design for a LED light string insulation core, as shown and described. 